Table 1.

Survival of P. putida, carrying different constructs for protection against uninduced expression of the stv gene, upon induction of suicide

Plasmid combination	Surroundings of the stv gene	Survival per cell per generation
pVLTΔ-s02, pRO-llp		10−4–10−5
pCC-s05, pRO-ilp		10−6–10−7
pCC-s04, pRO-ilp		10−7–10−8
pCC-s04, pRO-ip		10−5–10−6

Each arrow indicates the direction of transcription. T, bacterial transcription terminator; O_lac, lac operator.